For what it's worth, this is the sump underneath. It's just 4 gallons, but allows me to put the heater, skimmer, etc. below the tank. It also allows me to dose kalk or whatever I need to do, and keep it from causing huge swings in the display. 
Eventually, the tank that will sit in the place of the bowfront, will be plumbed through the floor into the 75G sump in the basement.
D
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"Fins to the left...Fins to the Right, I'm going home to play with my reef tonight..."
If you're looking for me, and I'm MIA from the board, email me at JustDavidP (at) gmail (dot) com.
Experience in aquaria, 35 years. Experience in marine, 20+ years. Experience in Reef Keeping, 6 years. Always a newbie! | 
